Basic Mental Control and Sleep

Question 1

Which of the following is/are function of

serotonin?

A. Attention to novel and potentially challenging

stimuli

B. Regulation of mood and affect

C. Inhibition of non-REM sleep

D. All of the above

Answer 1

B

Question 2

All of the following features are characteristic of

the ascending system for consciousness, as

opposed to that of the Ascending Sensory Systems,

EXCEPT:

A. It involves specific thalamic nuclei

B. It modulates cortical reactivity to stimuli

C. It consists of diffuse multineuronal pathways

D. It occupies the inner tube of the central

nervous system

Answer 2

D

Question 3

The internal circadian pacemaker of the body:

A. Preoptic nucleus

B. Supraoptic nucleus

C. Paraventricular nucleus

D. Suprachiasmatic nucleus

Answer 3

D

Question 4

Ponto-geniculo-occipital spikes (PGO) are

associated with what stage of sleep?

A. Stage 1 nREM sleep

B. Stage 2 nREM sleep

C. Stage 3 nREM sleep

D. Stage 4 nREM sleep

E. REM sleep

Answer 4

E

Question 5

In what stage of sleep would slow waves

constitute 20-50% of total EEG activity?

A. Stage 1 nREM sleep

B. Stage 2 nREM sleep

C. Stage 3 nREM sleep

D. Stage 4 nREM sleep

E. REM sleep

Answer 5

C

Question 6

All of the following are features of REM sleep

EXCEPT:

A. Fluctuations of heart rate and respiration

B. Rapid conjugate eye movements

C. Vivid, story-like dreams

D. Increase in muscle tone

Answer 6

D

Question 7

Which of the following is/are true of both

excitatory post-synaptic potential (EPSP) and

generator potential? They are both______:

A. Ligand-gated

B. Graded responses

C. Generated by opening of non-specific

channels

D. All of the above statements are true

Answer 7

B

Question 8

All generator potentials are______:

A. Are depolarizing currents

B. Initiate depolarization in the sensory nerve

fibers

C. Are propagated potentials

D. All of the above statements are true

Answer 8

A